BackupPC-users

Re: [BackupPC-users] Using backuppc over WAN

2008-05-06 16:55:00
Subject: Re: [BackupPC-users] Using backuppc over WAN
From: Les Mikesell <les AT futuresource DOT com>
To: Wood.Chris AT tatravelcenters DOT com
Date: Tue, 06 May 2008 15:49:39 -0500
Wood.Chris AT tatravelcenters DOT com wrote:
> 
> Thanks, but what about weekly full backups? Would that swamp our remote 
> 512mbps connections?

You may have to add a few machines at a time to get the initial copies 
across, but subsequent runs only copy differences.  Full runs do a block 
checksum compare so they take longer but not a lot more bandwidth.

> Our big issue here is retention - we have to keep backed up files 
> indefinitely, can backuppc maintain a continually growing catalog of 
> indefintely retained files?

Backuppc will pool all identical files into a single copy, so the rate 
it grows will depend on how fast the files change and differences 
between targets.  If they don't have a lot in common you might as well 
use several cheap servers instead of building one expensive monster - or 
just start over when your disks are full.

> Of course, we would probably need to install 
> a 64-bit database server....

There's no database - backuppc just uses the filesystem which, after 
all, is a reasonable place to keep copies of files.

-- 
   Les Mikesell
    lesmikesell AT gmail DOT com

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